WO2013048443A1 - Dispositif informatique convertible - Google Patents

Dispositif informatique convertible Download PDF

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Publication number
WO2013048443A1
WO2013048443A1 PCT/US2011/054253 US2011054253W WO2013048443A1 WO 2013048443 A1 WO2013048443 A1 WO 2013048443A1 US 2011054253 W US2011054253 W US 2011054253W WO 2013048443 A1 WO2013048443 A1 WO 2013048443A1
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WO
WIPO (PCT)
Prior art keywords
display
panel
keyboard
display panel
layer
Prior art date
Application number
PCT/US2011/054253
Other languages
English (en)
Inventor
Tim Hulford
Original Assignee
Intel Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Intel Corporation filed Critical Intel Corporation
Priority to CN201811359180.7A priority Critical patent/CN109460118A/zh
Priority to CN201811359693.8A priority patent/CN109240429A/zh
Priority to PCT/US2011/054253 priority patent/WO2013048443A1/fr
Priority to US13/976,020 priority patent/US9791943B2/en
Priority to CN201180073812.3A priority patent/CN103827769B/zh
Priority to TW101135103A priority patent/TWI608408B/zh
Priority to TW101218530U priority patent/TWM462410U/zh
Publication of WO2013048443A1 publication Critical patent/WO2013048443A1/fr
Priority to US15/783,302 priority patent/US20180101243A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0227—Cooperation and interconnection of the input arrangement with other functional units of a computer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G06F1/162—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position changing, e.g. reversing, the face orientation of the screen with a two degrees of freedom mechanism, e.g. for folding into tablet PC like position or orienting towards the direction opposite to the user to show to a second user
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1643—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being associated to a digitizer, e.g. laptops that can be used as penpads
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1677—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts for detecting open or closed state or particular intermediate positions assumed by movable parts of the enclosure, e.g. detection of display lid position with respect to main body in a laptop, detection of opening of the cover of battery compartment
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/16—Indexing scheme relating to G06F1/16 - G06F1/18
    • G06F2200/161—Indexing scheme relating to constructional details of the monitor
    • G06F2200/1614—Image rotation following screen orientation, e.g. switching from landscape to portrait mode
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display devices
    • G09G2300/023—Display panel composed of stacked panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2354/00—Aspects of interface with display user

Definitions

  • hybrid devices that combine computing, communication, and/or entertainment functions have been developed.
  • One class of hybrid device is the so-called convertible tablet device that can operate in a "notebook” mode and in a “tablet” mode.
  • These devices typically have the form factor of a small portable computer and typically include a display panel that is connected to an input panel that includes a full keypad (QWERTY) and mouse functionality.
  • QWERTY full keypad
  • the display panel and keypad are thus typically oriented similarly to a conventional notebook computer, where the display panel can be set at a convenient viewing angle with respect to the input panel and the keyboard is used to control information presented on the display panel.
  • such convertible tablet devices provide complex conversion mechanisms between the display panel and input panel that allow the display panel and input panel to stack together to form a flat tablet-like device where the display faces outwardly.
  • the display surface provides a user interface to receive input as in conventional tablet devices.
  • the present day convertible tablets combine the advantages of a tablet, including a touch interface with direct input, together with the advantages of a notebook computer, including a full QWERTY keyboard, a touch pad or similar device, and full blown operating systems that may require a mouse or trackpad for correct use.
  • a tablet including a touch interface with direct input
  • a notebook computer including a full QWERTY keyboard, a touch pad or similar device, and full blown operating systems that may require a mouse or trackpad for correct use.
  • One reason for the lagging adoption of convertible tablets may lie in the complexity of the conversion mechanisms for changing between notebook and tablet modes.
  • Currently available convertible notebook computers burden the user with complex hinging mechanisms to convert from one mode to the other.
  • the user first opens the clamshell, then performs a twisting or rotation operation until the display faces in an opposite direction, followed by folding the display and input panel down into a single block.
  • FIG. 1 depicts a scenario in an embodiment of a convertible tablet device.
  • FIG. 2 illustrates another scenario of the device of FIG. 1.
  • FIG. 3 presents another view of the device of FIG. 1.
  • FIG. 4 depicts a perspective view of an embodiment of a convertible tablet device.
  • FIG. 5 depicts a front perspective view of the device of FIG. 4.
  • FIG. 6 depicts a scenario of an exemplary convertible tablet device.
  • FIG. 7 depicts another scenario of the device of FIG. 6.
  • FIG. 8 depicts an exemplary layer stack.
  • FIGs. 9 and 10 depict a front view and back perspective view, respectively, of a convertible tablet device embodiment.
  • FIG. 11 depicts another scenario of the convertible tablet device of FIGs. 9 and 10.
  • FIG. 12 depicts another exemplary layer stack.
  • FIG. 13 depicts a scenario of a convertible tablet device according to one embodiment.
  • FIG. 14 depicts a further scenario of the device of FIG. 13.
  • FIG. 15 depicts a block diagram of an embodiment of a convertible tablet device.
  • FIG. 16 presents an exemplary logic flow.
  • FIG. 17 is a diagram of an exemplary system embodiment.
  • Various embodiments involve a novel and inventive display and convertible tablet device based upon the display.
  • the convertible tablet device may have two panels, such that in the tablet mode the two panels are disposed in a stack on top of one another. In the tablet mode, the display panel faces outwardly and may provide touch screen functionality as found in conventional tablets.
  • the two panels In the notebook mode, the two panels may be arranged in an "open clamshell" configuration that is typical of a portable computer, such as a notebook, laptop, or other flat screen portable device.
  • FIG. 1 and FIG. 2 depict operation of an embodiment of a convertible tablet device 100.
  • the portable tablet device 100 is arranged in a "clamshell" structure in which a lower panel, which is termed herein a “keyboard panel” 102, is coupled to an upper panel, which is termed a “display panel” 104, through a hinge 106.
  • the keyboard panel 102 may include an input device that contains a keyboard, trackpad, and/or other selection/navigation devices.
  • the keypad panel may include various computing components such as processors, memory devices, and communication devices.
  • the display panel 102 may include a display whose functions are detailed in the discussion to follow. As illustrated in FIG.
  • the convertible tablet device 100 is operating in a "notebook" mode in which the keyboard panel 102 is used to input information, such as through a keypad, mouse, microphone, or other devices common to known notebook computers.
  • the keyboard panel 102 may be placed on a surface while the display panel 104 is rotated to a desired viewing angle for a user to conveniently view information displayed thereon.
  • a display panel 102 may be coupled to the keyboard panel in another type of pivot structure, such as a central pivot point.
  • the display panel 104 includes a display that can operate in multiple modes.
  • a first mode as shown in FIG. 1, the display panel 104 is arranged in a transparent state in which the display panel 104 is transparent to visible light.
  • the majority of the display panel 104 may be a display except for a bezel around the periphery. Accordingly, the term "display" may also be used to refer to the display panel of convertible tablet devices in the discussion to follow.
  • a user may view information that is presented on the display panel 104, which may be provided by a known display component, such as a set of layers that comprise a transparent optical light emitting diode (OLED) display. Accordingly, the user may see information presented on the display panel 104 while also being able to view objects behind the display, such as lamp 110.
  • a display component such as a set of layers that comprise a transparent optical light emitting diode (OLED) display.
  • the user may see information presented on the display panel 104 while also being able to view objects behind the display, such as lamp 110.
  • FIG. 3 which presents a back view of the convertible tablet device 100
  • information displayed on display panel 104 may be viewed by a user positioned behind the display, at the location of lamp 110, for example.
  • the convertible tablet device 104 when operated in a notebook configuration, may also change the operating state of the display panel 104 to an opaque state.
  • FIG. 2 illustrates operation of the convertible tablet device 104 in a notebook/opaque display mode in which the display panel 104 and keyboard panel 102 are arranged in an open position as in FIG. 1 that is typical of operating conventional notebook, laptop, or netbook computers.
  • the display panel 104 is operated in an opaque state in which visible light does not transmit through the display panel 104.
  • objects, such as lamp 110 may be obscured from the user of convertible tablet device 100 if the display panel 104 lies between the user and such object.
  • the convertible tablet device 100 may also be operated in a tablet mode, as illustrated in FIG. 4.
  • FIG. 4 depicts a perspective view generally from the side, showing one embodiment of the convertible tablet device 100 when the device is arranged in a closed position for operating in tablet mode. In this mode, the clamshell structure of the convertible tablet device 100 is folded shut.
  • the tablet mode may be achieved by rotating the display panel 104 downwardly via hinge 106 until a front display surface 112 (also termed the "B" surface) comes to rest on the keyboard surface 114 (also termed the "C” surface) of keyboard panel 102.
  • FIG. 3 in the tablet mode illustrated in FIG.
  • the back display surface 116 (also termed the "A" surface) of the display panel 104 comes to rest in a position such that the back display surface 116 faces outwardly towards a user, when the bottom surface (also termed the "D" surface) 118 of the convertible tablet device 100 is rested on a surface or held by the user.
  • the back display surface 116 performs the role of a display and user interface. Accordingly, the back display surface 116 may have touch screen functionality and may perform other known functions of a conventional touch screen device, such as a tablet device.
  • the convertible tablet device 100 provides advantages over conventional "single mode" devices, such as tablet devices and notebook devices. In particular, the convertible tablet device 100 affords the convenience and responsiveness of a touch screen device that cannot be supplied by conventional notebook devices, while the convertible tablet device 100 may also provide the full functionality of a notebook computer including a keyboard, trackpad, navigation devices, indicating devices, and operating system not available in tablet devices.
  • the convertible tablet device 100 provides a simple mechanism for changing between tablet and notebook modes.
  • the conversion between notebook and tablet modes takes place by opening or closing the clamshell, that is, by mere rotation of the upper and lower panels with respect to one another, similar to the action performed when opening or closing a conventional notebook or laptop computing device, flip phone or portable gaming device.
  • FIG. 5 depicts a front perspective view of the convertible tablet device 100, illustrating the appearance of exemplary display information presented to a user when the device is used in tablet mode.
  • the display panel 104 may include a transparent optical light emitting diode display layer(s) that can generate images which are formed from light emitting elements set against a transparent background.
  • the transparent OLED display layer may itself include multiple layers, such as glass layers, transparent conductor layers, and LED layers, as are known in the art. Consistent with various embodiments, the display panel 104 may include additional layers that may modify the output of the OLED display layers.
  • the additional layers are arranged in such a manner that they permit light emitted from the transparent OLED layers to exit the display panel 104 at least in one direction, as described below.
  • the additional layers may be arranged such that the additional layers serve to attenuate light emitted from the OLED layers toward the display back surface 116 when the display panel 104 is in an open position, but transmit light emitted toward the display back surface when the display panel 104 is in a closed position. Accordingly, when the display panel 104 is folded shut onto keyboard panel 102 for operation in tablet mode, images generated by the display panel 104 are still visible to a user, as illustrated by image 502 in FIG. 5.
  • the keyboard surface 114 of the keyboard panel 102 may be visible through the display panel 104, which rests on top of the keyboard surface 114. Consistent with various embodiments, the keyboard surface 114 may provide a low reflectivity surface, and may therefore have a dark appearance that enhances the viewability and legibility of information presented on a display of the display panel 104. Thus, a black or dark grey keyboard surface 114 may be provided to enhance contrast to the image 502 formed on the transparent display of the display panel 104, as shown in FIG. 5.
  • the convertible tablet device 100 may be arranged to change the orientation of images presented on the display panel 104 when the convertible tablet device 100 between tablet and notebook modes of operation.
  • the convertible tablet device 100 may be equipped with a switch or other device that can be engaged to switch the image orientation, while in other embodiments, the image orientation may switch automatically.
  • the convertible tablet device 100 may include a sensor or other means of detection that is operable to place images in a first orientation when the convertible tablet device 100 is folded shut, and is operable to place the images in a second orientation when the convertible tablet device 100 in unfolded and placed in a notebook configuration.
  • the switching between a first and second image orientation may take place when the display panel 104 and keyboard panel 102 form a predetermined angle or when rotation of the display panel with respect to the keyboard panel is detected.
  • the convertible tablet device 100 may be operable to both automatically change image orientation based upon the positioning of display panel 104 and keyboard panel 102, and may also be equipped for manual changing of the image orientation.
  • FIG. 6 depicts a scenario in which the convertible tablet device 100 is generally arranged in a notebook mode in which the display panel 104 and keyboard panel 102 form an open clamshell structure.
  • the front display surface 112 faces outwardly and presents the image 602 in an orientation that can be properly viewed by a user positioned in front of the keyboard panel 102.
  • the display panel 104 may operate in different states, including a transparent state or an opaque state.
  • an image presented on the display panel 104 of the convertible tablet device 100 may be switched in orientation from a first orientation used for the notebook mode to a second orientation used for the tablet mode.
  • the orientation of the image may appear the same as that in the notebook mode. This avoids problems such as having the image appear upside down/reversed when the display panel 104 and keyboard panel 102 are folded together.
  • FIG. 7 depicts a scenario in which the display panel 104 and keyboard panel 102 are arranged in an open clamshell configuration as in FIG. 6.
  • the image 502 displayed in FIG. 7 represents an upside down orientation of image 602.
  • this image reversal may be the result of an automatic or manual operation.
  • the initial image 602 may be transformed into the image 502 shown in FIG. 5, which has the same orientation to a user in the tablet mode as the image 602 presents in the notebook mode.
  • FIG. 8 depicts an exemplary layer stack 800 that may be employed in an upper panel, such as display panel 104, to provide the display capabilities for operating a convertible tablet device in multiple modes, as discussed hereinabove.
  • the layer stack 800 includes a touch screen layer 802 that is provided towards a back display surface 116.
  • the touch screen layer 802 may include multiple sub-layers that provide touch screen capability using known technologies.
  • the touch screen layer 802 may include a capacitive touch device that itself includes a transparent conducting layer, such as indium tin oxide (ITO) or similar materials.
  • ITO indium tin oxide
  • the layer stack 800 further includes a transparency-adjusting layer 804 that is disposed between the touch screen layer 802 and the front display surface 112.
  • the transparency-adjusting layer 804 may be based upon currently available technology. Consistent with some embodiments the transparency-adjusting layer 804 may be an electrochromic layer (EC), a liquid crystal display (LCD) layer, or a combination of EC and LCD layers.
  • the individual EC or LCD "layer” each may comprise multiple layers. The function and principle of operation of EC and LCD layers is well known, but will be reviewed briefly below.
  • an EC device is a device based upon an active
  • an electrochromic layer or region that can reversibly change color and/or change opacity by injection or removal of charge in the electrochromic material.
  • a switch or similar device may be used to adjust the transparency of a structure that may be highly transparent in an unaltered state, such as various types of window glass.
  • an electric switch that connects the layers to a charge supply may typically adjust transparency from clear to opaque or to various levels between opaque and clear.
  • An applied voltage may serve to inject charge or remove charge from the electrochromic layer, thereby changing the color of the layer. In many cases, the reflectivity changes, such that the total amount of light transmitted through a window is drastically reduced.
  • a multi-layer assembly may be sandwiched between multiple layers of glass. Two outside layers of an electrochromic system may be transparent electronic conductors, such as ITO.
  • ITO transparent electronic conductors
  • an electrochromic layer, counter electrode, and ion conductive layer area are located between the ITO layers. Reversing the voltage when the window is in a darkened state moves ions from the electrochromic layer back to the counter-electrode layer, restoring the device to its previous clear state.
  • Known electrochromic materials such as tungsten oxide, are ionic compounds that are highly transparent when the charge is removed.
  • a window stack or computer display having an electrochromic layer(s) sandwiched between typical glass layers may be highly transparent in its "clear" state, such as 70% or more transparent.
  • transparency-adjusting layer 804 is an LCD "layer”
  • a liquid crystal layer may be enclosed by two transparent conductive layers.
  • the orientation of liquid crystal molecules may be altered, thereby changing the transparency of a panel that includes the liquid crystal layer.
  • the transparency adjusting layer 804 includes multiple sub-layers.
  • the layer stack 800 includes an OLED layer 806, which may be a set of layers that are arranged to produce a transparent OLED device.
  • the OLED layer 806 generally encompasses a set of layers, none of which are opaque so that light emitted from optical light emitting diodes of the OLED layer 806 may be transmitted out of the OLED layer 806 and through front display surface 112 and back display surface 116, depending on the state of transparency-adjusting layer 804.
  • the viewing state of a display that includes the layer stack 800 can be controlled by controlling the state of the transparency- adjusting layer 804.
  • FIGs. 9-11 provide exemplary views of a convertible tablet device 100 in the notebook mode that highlight the effect of the transparency- adjusting layer 804.
  • FIGs. 9 and 10 depict a front view and back perspective view, respectively, of the convertible tablet device 100 when operated in an opaque viewing state.
  • the transparency-adjusting layer 804 is set to produce an opaque or non-transmitting state, so that light incident on the back display surface 116 is not transmitted through the display panel 104. Additionally, light incident on the front display surface 112 is not transmitted through the display panel 104.
  • the display panel 104 acts as an opaque object that screens a viewer from either side of the display panel 104 from seeing objects on the other side of the display panel 104.
  • any light emitted from the OLED layer 806 in a direction towards the back display surface 116 is attenuated by the transparency-adjusting layer 804, so that a viewer cannot view the displayed image from behind the convertible tablet device 100.
  • the OLED layer 806 is disposed between the front display surface 112 and transparency-adjusting layer 804, any light emitted from the OLED layer 806 in an outward direction towards the front display surface 112 is not attenuated by the transparency-adjusting layer 804.
  • the transparency-adjusting layer 804 may provide enhanced contrast to the image formed by the OLED layer.
  • the injection of charge into the transparency-adjusting layer 804 may not only lower the transparency of the display panel 104, but may also change the reflectivity, which may add to the contrast of the image 904.
  • FIG. 11 depicts a back perspective view of the convertible tablet device when the display panel 104 is operated in a transparent state.
  • the transparency-adjusting layer 804 may be set to provide maximum transparency.
  • the image 1102 is formed by OLED elements, which emit light in a pattern that is perceived by a user to create an image.
  • the display panel 104 In portions 1104 of the display panel 104 that lie outside of the light emitting OLED elements, the display panel 104 remains substantially transparent. Accordingly, the image 1102 presented in the transparent state may have less clarity or sharpness as compared to the image 904.
  • one advantage provided by the transparent state is that a user may receive more visual input from objects located behind the display panel 104, which may be desirable under various circumstances.
  • the transparent state may operate as a sharing mode, in which others may be apprised of what tasks are being performed by a user of the convertible tablet device 100, for example, by glancing at the back of the display panel 104 when it is operated in the transparent state.
  • the image 1102 when viewed from the back of the display panel 104 may be reversed from the normal image presented to a user in front of the display panel 104. Accordingly, the information presented on the display panel 104 may not be completely understood by persons located in back of the display panel. Nevertheless, basic information may in some cases readily be gleaned by glancing at the image 1102 even from the perspective of FIG. 11.
  • a convertible tablet device may be arranged to allow touch screen interaction with the back display surface 116 when the convertible tablet is in an open position.
  • the touch screen interface layer 802 may typically be provided on the back display surface 116. This allows a user to engage the back display surface 116, which faces outwardly when the display panel 104 is closed upon the keyboard panel 102.
  • the convertible tablet device 100 may also be operable to receive user input on the back display surface 116 even when the display panel 104 is positioned as shown in FIG. 11.
  • a first user may operate the convertible tablet device 100 in a notebook configuration in which user input is entered through a keyboard 1106.
  • the results of the user input may be displayed as visual content including an image 1102.
  • a second user may engage the back display surface 116 to interact with the image 1102 through the touch screen interface layer 802. It will be appreciated that operation in such a hybrid mode where the convertible tablet device may operate in a touch screen and keyboard mode simultaneously may require additional operating system-level software.
  • the convertible tablet device 100 may be operated in a touch screen mode on both front display surface 112 and back display surface 116 while in an open position. This may facilitate collaborative interaction where two different users located on either side of the convertible tablet device 100 can provide input to the display in a back-and-forth manner.
  • FIG. 12 depicts an exemplary layer stack 1200 that may facilitate the use of the convertible tablet device as a touch screen device while in an open position.
  • the layer stack 1200 includes the touch screen interface layer 802 proximate the back display surface 116, as well as a transparency- adjusting layer 804 and OLED layer806, all of which layers are arranged in the same configuration as in layer stack 800.
  • the layer stack 1200 includes a touch screen interface layer 1202 proximate the front display surface 112. This layer provides an interface to a user for engaging the display panel 104 from the front display surface 1200 when the display panel 104 is raised in the open clamshell position typical of notebook operation.
  • a convertible tablet device may have a feature, such as a button, switch or softkey that allows a user to set a touchscreen mode of operation even when the display panel 104 is raised to the open position as in FIG. 11. In this manner, users may touch either the front display surface 112 or back display surface 116 to enter input.
  • the convertible tablet device 100 may be operable to switch the orientation of an image so that a user engaging either front display surface 112 or back display surface 116 may view an image in the same relative orientation. Accordingly, a first user may view a first image presented in a first orientation that is appropriate for viewing from the front display surface 112. A second user located behind the display panel 104 may observe the first image, which appears to be reversed.
  • the second user may subsequently perform a swiping motion along the back display surface 116, which causes the first image to reverse its orientation from left to right on the display panel 104.
  • the second user may additionally enter other input through the back display surface 116.
  • the first user may engage the front display surface 112, which also has touch screen capability, so that the displayed images once more reverse themselves in orientation, thereby allowing the first user to view the displayed images in the proper orientation and so forth.
  • the image presented on the back display surface may once more perform a re- orientation operation.
  • the nature of the image reorientation operation may depend upon the orientation of the image before the convertible tablet device is closed.
  • the image may flip from top to bottom of the display panel 104, as noted previously.
  • the image may flip from top to bottom and may reverse from right to left, which is equivalent to undergoing a 180 degree rotation.
  • the back display surface 116 is presented outwardly to the user.
  • the back display surface 116 is presented outwardly to the user.
  • the transparency-adjusting layer 804 is disposed between the OLED layer 806 and the back display surface 116. Accordingly, in order for the user to view images formed by the OLED layer 806 when the display panel 104 is in the tablet configuration, the transparency-adjusting layer 804 should not be set to block all the light emitted from the OLED layer 806, since that would prevent a user from seeing any image. Thus, if a user is operating in notebook mode with the transparency-adjusting layer 804 set to produce an opaque viewing state, the transparency-adjusting layer 804 may be switched back to a transparent state when the display panel 104 is closed upon the keyboard panel 102. [0047] It is also notable that in the layer stack embodiments presented in FIGs.
  • the display panel 104 may be transparent such that any enhanced contrast to an image formed by the OLED layer 806 is provided by the keyboard surface 114.
  • the keyboard may be operable to change its appearance when changing between the notebook and tablet modes.
  • FIG. 13 depicts a scenario in which the convertible tablet device 100 is operating in a notebook mode with user input conducted via the keyboard 1300 provided in the keyboard panel 102.
  • icons 1302 provided on keys in the keyboard 1300 are lit so that a user can more easily identify different keys.
  • FIG. 14 depicts a further scenario in which the convertible tablet device 100 is to rotate downwardly along path 1402 on top of keyboard panel 102 for operation in tablet mode.
  • the icons 1302 are turned off.
  • the convertible tablet device 100 may include a sensor that detect when the convertible tablet device 100 is closing or in a closed position.
  • the convertible tablet device 100 may determine that a tablet mode is to be initiated and may extinguish any keyboard lights that are currently illuminated. This is also shown in the tablet mode scenario depicted in FIG. 5.
  • the keyboard surface 114 may present a darker surface that does not provide light that may travel through the display panel 104 and conflict with images formed by the OLED layer of the display panel 104, which, as noted previously, may be transparent to light during operation in the tablet mode.
  • FIG. 15 depicts a block diagram of an embodiment of a convertible tablet device 1500.
  • the convertible tablet device 1500 includes a sensor 1502, processor 1504, display panel 104, and display mode management module 1506.
  • the convertible tablet device 1500 may include other features including memory devices, RF transceivers, input/output devices, and other components.
  • the sensor 1502 may comprise multiple a sensor system that includes multiple sensors and other elements to provide information to the processor 1504, including information related to the position and/or motion of various components of the convertible tablet device 1500, including the aforementioned display panel 1504 and a keyboard panel.
  • the display mode management module 1506 may employ the position determining module 1508 to determine current status of various components based upon information forwarded to the processor. This status may include the relative positions of the display and keyboard panels.
  • the position determining module 1508 may determine when the convertible tablet device 1500 is in an open position or in a closed position. The status may also include determination of relative motion of the display panel 104. For example, the position determining module 1508 may determine when the display panel 104 is being opened or closed onto a keyboard panel based upon information received from sensor 1502.
  • the display mode management module 1506 may employ the display adjusting module 1510 to adjust operation of various components of the convertible tablet device including the display panel 104 and a keyboard panel (not shown).
  • the display adjusting module 1510 may act based on information determined by the position determining module or information that is manually input by a user. In this manner, features such as the transparency of the display panel 104, the orientation of an image presented on display panel 104, and the brightness of a keyboard panel, among other features, may be adjusted as appropriate.
  • FIG. 16 presents an exemplary logic flow 1600.
  • a closed position signal is received.
  • the closed position signal may indicate that a display panel and keyboard panel of a convertible tablet device are in a closed clamshell position.
  • the flow moves directly to block 1608.
  • a determination is made as to whether the image is in a touch screen orientation.
  • the touch screen orientation may correspond to an image orientation on a display panel in which the image appears to have a proper when viewed through the back surface of the display panel. If the current orientation of an image does not correspond to the touch screen orientation, the flow moves to block 1610.
  • FIG. 17 is a diagram of an exemplary system embodiment and in particular, FIG. 17 is a diagram showing a platform 1700, which may include various elements. For instance, FIG.
  • platform (system) 1710 may include a processor/graphics core 1702 which may include an applications processor, a chipset/platform control hub (PCH) 1704, an input/output (I/O) device 1706, a random access memory (RAM) (such as dynamic RAM (DRAM)) 1708, and a read only memory (ROM) 1710, display electronics 1720, display backlight 1722, non-volatile memory port (NVMP) 1724, antenna 1726, and various other platform components 1714 (e.g., a fan, a crossflow blower, a heat sink, DTM system, cooling system, housing, vents, and so forth).
  • System 1700 may also include wireless communications chip 1716 and graphics device 1718.
  • the display electronics may include a liquid crystal display (LCD) screen, touch screen display, or other display.
  • the I O device 1706 may include a keyboard, mouse, and /or speakers. The embodiments, however, are not limited to these elements.
  • I/O device 1706, RAM 1708, and ROM 1710 are coupled to processor 1702 by way of chipset 1704.
  • Chipset 1704 may be coupled to processor 1702 by a bus 1712. Accordingly, bus 1712 may include multiple lines.
  • Processor 1702 may be a central processing unit comprising one or more processor cores and may include any number of processors having aNY Number of processor cores.
  • the processor 1702 may include any type of processing unit, such as, for example, CPU, multi-processing unit, a reduced instruction set computer (RISC), a processor that have a pipeline, a complex instruction set computer (CISC), digital signal processor (DSP), and so forth.
  • processor 1702 may be multiple separate processors located on separate integrated circuit chips.
  • processor 1702 may be a processor having integrated graphics, while in other
  • processor 1702 may be a graphics core or cores.
  • embodiments in various places in the specification are not necessarily all referring to the same embodiment. Further, some embodiments may be described using the expression “coupled” and “connected” along with their derivatives. These terms are not necessarily intended as synonyms for each other. For example, some embodiments may be described using the terms “connected” and/or “coupled” to indicate that two or more elements are in direct physical or electrical contact with each other. The term “coupled,” however, may also mean that two or more elements are not in direct contact with each other, but yet still co-operate or interact with each other.
  • Various embodiments may be implemented using hardware elements, software elements, or a combination of both.
  • hardware elements may include processors, microprocessors, circuits, circuit elements (e.g., transistors, resistors, capacitors, inductors, and so forth), integrated circuits, application specific integrated circuits (ASIC), programmable logic devices (PLD), digital signal processors (DSP), field programmable gate array (FPGA), logic gates, registers, semiconductor device, chips, microchips, chip sets, and so forth.
  • Examples of software may include software components, programs, applications, computer programs, application programs, system programs, machine programs, operating system software, middleware, firmware, software modules, routines, subroutines, functions, methods, procedures, software interfaces, application program interfaces (API), instruction sets, computing code, computer code, code segments, computer code segments, words, values, symbols, or any combination thereof. Determining whether an embodiment is implemented using hardware elements and/or software elements may vary in accordance with any number of factors, such as desired computational rate, power levels, heat tolerances, processing cycle budget, input data rates, output data rates, memory resources, data bus speeds and other design or performance constraints.
  • Coupled to indicate that two or more elements are in direct physical or electrical contact with each other.
  • Some embodiments may be implemented, for example, using a computer- readable medium or article which may store an instruction or a set of instructions that, if executed by a computer, may cause the computer to perform a method and/or operations in accordance with the embodiments.
  • a computer may include, for example, any suitable processing platform, computing platform, computing device, processing device, computing system, processing system, computer, processor, or the like, and may be implemented using any suitable combination of hardware and/or software.
  • the computer-readable medium or article may include, for example, any suitable type of memory unit, memory device, memory article, memory medium, storage device, storage article, storage medium and/or storage unit, for example, memory, removable or nonremovable media, erasable or non-erasable media, writeable or re-writeable media, digital or analog media, hard disk, floppy disk, Compact Disk Read Only Memory (CD-ROM), Compact Disk Recordable (CD-R), Compact Disk Rewriteable (CD-RW), optical disk, magnetic media, magneto-optical media, removable memory cards or disks, various types of Digital Versatile Disk (DVD), a tape, a cassette, or the like.
  • any suitable type of memory unit for example, any suitable type of memory unit, memory device, memory article, memory medium, storage device, storage article, storage medium and/or storage unit, for example, memory, removable or nonremovable media, erasable or non-erasable media, writeable or re-writeable media, digital or analog media, hard disk,
  • the instructions may include any suitable type of code, such as source code, compiled code, interpreted code, executable code, static code, dynamic code, encrypted code, and the like, implemented using any suitable high-level, low-level, object-oriented, visual, compiled and/or interpreted programming language.
  • processing refers to the action and/or processes of a computer or computing system, or similar electronic computing device, that manipulates and/or transforms data represented as physical quantities (e.g., electronic) within the computing system' s registers and/or memories into other data similarly represented as physical quantities within the computing system' s memories, registers or other such information storage, transmission or display devices.
  • physical quantities e.g., electronic

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  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

L'invention concerne un appareil qui peut comporter un premier panneau présentant une première interface utilisateur comportant un clavier. L'appareil peut également comporter un second panneau couplé par le biais d'une charnière au premier panneau en une structure de coquille bivalve. Le second panneau peut comporter un premier côté d'affichage pour présenter des informations dans un premier mode affichage lorsque l'appareil est disposé en position ouverte, et un second côté d'affichage pour présenter des informations dans un second mode affichage lorsque l'appareil est disposé en position fermée. L'invention concerne également d'autres modes de réalisation qui sont décrits et revendiqués.
PCT/US2011/054253 2011-09-30 2011-09-30 Dispositif informatique convertible WO2013048443A1 (fr)

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CN201811359180.7A CN109460118A (zh) 2011-09-30 2011-09-30 可变换的计算设备
CN201811359693.8A CN109240429A (zh) 2011-09-30 2011-09-30 可变换的计算设备
PCT/US2011/054253 WO2013048443A1 (fr) 2011-09-30 2011-09-30 Dispositif informatique convertible
US13/976,020 US9791943B2 (en) 2011-09-30 2011-09-30 Convertible computing device
CN201180073812.3A CN103827769B (zh) 2011-09-30 2011-09-30 可变换的计算设备
TW101135103A TWI608408B (zh) 2011-09-30 2012-09-25 可轉換的運算裝置
TW101218530U TWM462410U (zh) 2011-09-30 2012-09-25 可轉換的運算裝置，可轉換的運算系統及製造之物
US15/783,302 US20180101243A1 (en) 2011-09-30 2017-10-13 Convertible computing device

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US15/783,302 Continuation US20180101243A1 (en) 2011-09-30 2017-10-13 Convertible computing device

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US20180101243A1 (en) 2018-04-12
CN103827769A (zh) 2014-05-28
TW201331822A (zh) 2013-08-01
US20130271378A1 (en) 2013-10-17
CN109240429A (zh) 2019-01-18
TWM462410U (zh) 2013-09-21
US9791943B2 (en) 2017-10-17
TWI608408B (zh) 2017-12-11
CN109460118A (zh) 2019-03-12

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